Security Architect – TS/SCI RMF Cloud & ATO Lead

Leidos Inc; Reston (VA); Hybrid; USD 154,000 - 278,000; Full time

Benefits offered by this job

Health and Wellness programs

Income Protection

Paid Leave and Retirement

Job summary

Leidos is seeking a Security Engineer Solution Architect with TS/SCI for a Defense Intelligence Enterprise project. You will lead RMF/ATO processes, craft secure cloud solutions, and coordinate with DoD stakeholders to ensure ATO readiness.

Join a mission-focused team delivering an Enterprise AI Platform and Digital Services Framework, guiding security policy, incident response, and cross-domain integration across NCR sites and remote work.

Qualifications

• Bachelor's degree and extensive DoD RMF/ATO experience.
• DoD 8570 II certification or equivalent security credentials.
• Expertise in NIST SP and RMF security controls.
• Hands-on cloud security and secure engineering in Agile environments.
• Proven leadership of cyber security engineering teams.

Responsibilities

• Provide guidance to streamline ATO management with engineering solutions.
• Lead architecture and implementation of security, governance, and accreditation models.
• Offer expert technical guidance on security solutions to team members.
• Interact with client CIO and security POCs.
• Create and maintain security policies and procedures.
• Provide OS hardening and patching guidance per DISA STIGs/NIST.
• Analyze security incidents and recommend resolutions.
• Demonstrate strong software development knowledge in Agile settings.
• Manage project priorities, deliverables, and deadlines.
• Foster collaboration across teams to deliver quality security services.

Skills

Security leadership

RMF expertise

NIST SP

8570 II certs

Cloud security

ATO processes

Collaboration

Communication

DevSecOps

Education

Bachelor's degree

Master's degree

Tools

Tenable Security Center

Jira

Confluence

Kubernetes

CI/CD: Jenkins

GitLab

Cloudera

Active Directory

SQL/NoSQL

Python

Job description

Leidos is seeking a Security Engineer Solution Architect with TS/SCI for a Defense Intelligence Enterprise project. You will lead RMF/ATO processes, craft secure cloud solutions, and coordinate with DoD stakeholders to ensure ATO readiness.

Join a mission-focused team delivering an Enterprise AI Platform and Digital Services Framework, guiding security policy, incident response, and cross-domain integration across NCR sites and remote work.